1421069246441 has 4 divisors (see below), whose sum is σ = 1530382265412. Its totient is φ = 1311756227472.

The previous prime is 1421069246431. The next prime is 1421069246483. The reversal of 1421069246441 is 1446429601241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 947174686441 + 473894560000 = 973229^2 + 688400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421069246441 - 2³⁴ = 1403889377257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421069246392 and 1421069246401.

It is not an unprimeable number, because it can be changed into a prime (1421069246431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54656509466 + ... + 54656509491.

It is an arithmetic number, because the mean of its divisors is an integer number (382595566353).

Almost surely, 2^{1421069246441} is an apocalyptic number.

It is an amenable number.

1421069246441 is a deficient number, since it is larger than the sum of its proper divisors (109313018971).

1421069246441 is a wasteful number, since it uses less digits than its factorization.

1421069246441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109313018970.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 1421069246441 in words is "one trillion, four hundred twenty-one billion, sixty-nine million, two hundred forty-six thousand, four hundred forty-one".